When working on a recent Design Idea for an adjustable filter, I wanted to use an electrical noise source to generate an FFT spectrum graph on my oscilloscope. To set up the test, I reached for my ...

I didn't expect to love it, and it has a learning curve, but the possibilities are endless.

There are four different methods of plotting anti-aliased fonts to the screen. This sketch uses method 2, using graphics calls plotting direct to the TFT: tft.drawString(string, x, y); ...

Learn how to repurpose your spare ESP32 boards into cost-effective presence detection sensors using the Tommy Sense ...

If you’re not aware, there is such a thing as adorable little three digit LCD 7-segment displays. They come in a ten-pin DIP ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J Catalano is a CFP and Registered ...

and to show basic examples of font use. This sketch uses the GLCD, 2, 4, 6 fonts only. Make sure all the display driver and pin connections are correct by editing the User_Setup.h file in the TFT_eSPI ...

Compared to the Arduino Uno of old, modern microcontrollers are absolutely tiny — especially for the amount of processing power and I/O you get. But if you need something really small, like ...